X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-da06.mx.aol.com ([205.188.169.203] verified) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTP id 4936177 for flyrotary@lancaironline.net; Thu, 07 Apr 2011 21:13:13 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.169.203; envelope-from=Bktrub@aol.com Received: from imo-da01.mx.aol.com (imo-da01.mx.aol.com [205.188.169.199]) by imr-da06.mx.aol.com (8.14.1/8.14.1) with ESMTP id p381CPOs012521 for ; Thu, 7 Apr 2011 21:12:25 -0400 Received: from Bktrub@aol.com by imo-da01.mx.aol.com (mail_out_v42.9.) id q.e4b.11f4a56d (56006) for ; Thu, 7 Apr 2011 21:12:21 -0400 (EDT) Received: from smtprly-me02.mx.aol.com (smtprly-me02.mx.aol.com [64.12.95.103]) by cia-md07.mx.aol.com (v129.9) with ESMTP id MAILCIAMD074-b2d04d9e60ef311; Thu, 07 Apr 2011 21:12:20 -0400 Received: from webmail-m020 (webmail-m020.sim.aol.com [64.12.101.104]) by smtprly-me02.mx.aol.com (v129.9) with ESMTP id MAILSMTPRLYME027-b2d04d9e60ef311; Thu, 07 Apr 2011 21:12:15 -0400 References: To: flyrotary@lancaironline.net Subject: Re: [FlyRotary] Re: Tracy's RV-8 Wings - LSA RV-4 Date: Thu, 07 Apr 2011 21:12:15 -0400 X-AOL-IP: 69.84.254.253 In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: bktrub@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8CDC3A1220ED3D5_1C54_29F2D_webmail-m020.sysops.aol.com" X-Mailer: AOL Webmail 33490-STANDARD Received: from 69.84.254.253 by webmail-m020.sysops.aol.com (64.12.101.104) with HTTP (WebMailUI); Thu, 07 Apr 2011 21:12:15 -0400 Message-Id: <8CDC3A12202ECF0-1C54-13BCB@webmail-m020.sysops.aol.com> X-Spam-Flag:NO X-AOL-SENDER: Bktrub@aol.com ----------MB_8CDC3A1220ED3D5_1C54_29F2D_webmail-m020.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" You can do a couple of things to "limit" the top speed. Don't install whee= l pants initially at least, and pitch the prop correctly to the anticipate= d top speed. The only other consideration I can think of is the gross weig= ht. You might want to check out all the regs pertaining to LSA's.=20 Brian Trubee RV-4 /13 BREW -----Original Message----- From: kenpowell@comcast.net To: Rotary motors in aircraft Sent: Thu, Apr 7, 2011 5:22 pm Subject: [FlyRotary] Re: Tracy's RV-8 Wings - LSA RV-4 I resolved my potential medical issues by switching to drugs that are OK= by the FAA so my Medical is no longer in danger. However, I am still bot= hered by the possiblity of losing my medical. I still have my RV-4 kit (I= just can't seem to give up!) and I think that I am going to build it as= a LSA. If I use an O-200 with with EDIS-4 ignition and a light weight= starter I can have 100 HP for under 200 lbs. It might be possible to bui= ld a 860 lb or less RV-4. With a longer wing to increase wing area from= 110 sq ft to 125 sq ft (same as a RV-12) and a gross of 1320 lbs it shoul= d be LSA legal. There was a posting on Van's Air Force saying that the to= p speed of an O-200 RV-3 was only 150 MPH so it seems reasonable that a 10= 0 HP RV-4 with 125 sq ft of wing should not bust the 138 MPH LSA speed lim= it. I will probably build a Fastback to regain some of the yaw stability= lost from the longer nose. =20 What do you guys think? Ken Powell ----- Original Message ----- From: "Tracy" To: "Rotary motors in aircraft" Sent: Thursday, April 7, 2011 4:10:24 PM Subject: [FlyRotary] Re: Tracy's RV-8 Wings Hi Ken, long time no hear! I extended each wing 12.75 inches and used the "Sheared" wing tips which= are 6" longer than the standard Hoerner tips. I think Van's may have swi= tched to Sheared tips as standard now.=20 Tracy ----- Original Message ----- From: "Tracy" To: "Rotary motors in aircraft" Sent: Thursday, April 7, 2011 4:10:24 PM Subject: [FlyRotary] Re: Tracy's RV-8 Wings Hi Ken, long time no hear! I extended each wing 12.75 inches and used the "Sheared" wing tips which= are 6" longer than the standard Hoerner tips. I think Van's may have swi= tched to Sheared tips as standard now.=20 Tracy On Thu, Apr 7, 2011 at 2:26 PM, wrote: Tracy, How long are your wing extensions on each wing? Ken Powell 501-847-4721 ----------MB_8CDC3A1220ED3D5_1C54_29F2D_webmail-m020.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii"
You can do a couple of th= ings to "limit" the top speed. Don't install wheel pants initially at leas= t, and pitch the prop correctly to the anticipated top speed. The only oth= er consideration I can think of is the gross weight. You might want to che= ck out all the regs pertaining to LSA's.
 
 
Brian Trubee
 
RV-4 /13 BREW



-----Original Message-----
From: kenpowell@comcast.net
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Thu, Apr 7, 2011 5:22 pm
Subject: [FlyRotary] Re: Tracy's RV-8 Wings - LSA RV-4

I resolved my potential medical issues by switching to drugs that are= OK by the FAA so my Medical is no longer in danger.  However, I am= still bothered by the possiblity of losing my medical.  I still= have my RV-4 kit (I just can't seem to give up!) and I think that I am go= ing to build it as a  LSA.  If I use an O-200 with with EDIS-4= ignition and a light weight starter I can have 100 HP for under 200 lbs.&= nbsp; It might be possible to build a 860 lb or less RV-4.  With a lo= nger wing to increase wing area from 110 sq ft to 125 sq ft (same as a RV-= 12) and a gross of 1320 lbs it should be LSA legal.  There was a post= ing on Van's Air Force saying that the top speed of an O-200 RV-3 was only= 150 MPH so it seems reasonable that a 100 HP RV-4 with 125 sq ft of wing= should not bust the 138 MPH LSA speed limit.  I will probably build= a Fastback to regain some of the yaw stability lost from the longer nose.=
 
What do you guys think?

Ken Powell

----- Original Message -----
From: "Tracy" <rwstracy@gmail.com= >
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Thursday, April 7, 2011 4:10:24 PM
Subject: [FlyRotary] Re: Tracy's RV-8 Wings

Hi Ken,  long time no hear!

  I extended each wing 12.75 inches and used the "Sheared" wing tips= which are 6" longer than the standard Hoerner tips.  I think Van's= may have switched to Sheared tips as standard now.

Tracy

On Thu, Apr 7, 2011 at 2:26 PM, &= lt;kenpowell@comcast.net><= /SPAN> wrote:
Tracy,
How long are your wing extensions on each wing?

Ken Powell

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